SkImage::NewFromBitmap works with Index8

tests/ImageTest.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
+#include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkData.h"
 #include "SkDevice.h"
 #include "SkImageEncoder.h"
 #include "SkImage_Base.h"
 #include "SkPicture.h"
 #include "SkPictureRecorder.h"
 #include "SkPixelSerializer.h"
 #include "SkRRect.h"
 #include "SkStream.h"
@@ skipping 320 matching lines @@
         }
     }
 
     image.reset(nullptr);
     {
         SkBitmap cachedBitmap;
         REPORTER_ASSERT(reporter, !SkBitmapCache::Find(uniqueID, &cachedBitmap));
     }
 }
 #endif
+
+// http://skbug.com/4390
+DEF_TEST(ImageFromIndex8Bitmap, r) {
+    SkPMColor pmColors[1] = {SkPreMultiplyColor(SK_ColorWHITE)};
+    SkBitmap bm;
+    SkAutoTUnref<SkColorTable> ctable(
+            new SkColorTable(pmColors, SK_ARRAY_COUNT(pmColors)));
+    SkImageInfo info =
+            SkImageInfo::Make(1, 1, kIndex_8_SkColorType, kPremul_SkAlphaType);
+    bm.allocPixels(info, nullptr, ctable);
+    SkAutoLockPixels autoLockPixels(bm);
+    *bm.getAddr8(0, 0) = 0;
+    SkAutoTUnref<SkImage> img(SkImage::NewFromBitmap(bm));
+    REPORTER_ASSERT(r, img.get() != nullptr);
+}